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| R34 GT-R exhaust outlet pipe. You can tell its the rear, because it has the probe for EGT |
When it comes to exhaust post turbo, bigger is better. Anything post turbo is just a restriction, it negatively effects spool up, and it negatively effects power. However, like everything in life, there are trade offs. Noise, emissions, space, and complexity all play into what exhaust you are going to run.
In the R34 GT-R, the turbo outlet pipes are a piece of folded/shaped metal vs cast pieces in the R32, and R33. The R34 pieces are lighter and slightly larger diameter. These pieces also contain the factory oxygen sensors. The R32 uses a smaller sensor, than the R33 and R34. Some people may call this piece the 02 housing, or oxygen sensor housing. The front and rear housing are different. Don't get them confused, its a bad look to have to remove and reinstall the turbos because the front housing is on the rear turbo, and vice versa.
The OEM R32, and R33 piece have a 55 mm outlet size. As seen below the R34 outlet size is about 60mm, but it has a step in the lip.
Catalytic converter inlet and outlet 65 mm = 2.55 inches
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| R34 outlet pipe, turbo exhaust side vs a Mines outlet pipe |
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| R34 outlet pipe. Notice the gasket ring, and notice the internal step |
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| R34 outlet pipe is 60 mm. As an example the Mines is 70 mm |
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| One more view of the exhaust outlet pipe from the turbo side. |
- Alternative - these may require connector/pin swaps
- Bosch 13385 Square
- Denso 234-3126 Flat (long wire)
R32 (11/16th or17mm nut)
13.2 - 17 ft/lbs M12 sensors
R33 and R34 Nissan Skyline GT-R 02, Oxygen Sensors
R33 (7/8th or 22 mm nut)
13.2 - 17 ft/lbs M12 sensors
R32 vs R33/R34 Oxygen Senors, 02 sensors
Buy USA Legal R32 and R33 Skylines at Importavehicle.com!
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